Water-based coloring compositions containing submicron polymeric particles
First Claim
Patent Images
1. A water-based coloring composition suitable for use in markers comprising:
- (a) a carrier comprising water;
(b) submicron polymeric particles; and
, (c) a neutral buoyancy additive present in an amount sufficient to render the specific gravity of said carrier about equal to or greater than the specific gravity of said polymeric particles.
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Abstract
A water-based coloring composition suitable for use in children'"'"'s markers comprising a carrier, submicron polymeric particles, and a neutral buoyancy additive. The coloring compositions produce unique opaque images on a wide variety of writing surfaces. Additionally, the invention includes a water-based dry erase coloring composition suitable for use in children'"'"'s markers comprising a carrier, submicron polymeric particles, a neutral buoyancy additive, and a release agent.
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Citations
25 Claims
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1. A water-based coloring composition suitable for use in markers comprising:
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(a) a carrier comprising water;
(b) submicron polymeric particles; and
,(c) a neutral buoyancy additive present in an amount sufficient to render the specific gravity of said carrier about equal to or greater than the specific gravity of said polymeric particles. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A water-based dry erase coloring composition suitable for use in markers comprising:
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(a) a carrier comprising water;
(b) submicron polymeric particles;
(c) a neutral buoyancy additive present in an amount sufficient to render the specific gravity of said carrier about equal to or greater than the specific gravity of said polymeric particles; and
,(d) a release agent.
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25. A marking instrument for applying a coloring composition comprising a nib and a reservoir wherein said reservoir contains a water-based coloring composition comprising:
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(a) a carrier comprising water;
(b) submicron polymeric particles; and
,(c) a neutral buoyancy additive present in an amount sufficient to render the specific gravity of said carrier about equal to or greater than the specific gravity of said polymeric particles.
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Specification